import router from "./router";
import store from "./store";
import { Message } from "element-ui";
import NProgress from "nprogress"; // progress bar
import "nprogress/nprogress.css"; // progress bar style
import { getToken } from "@/utils/auth"; // get token from cookie
import getPageTitle from "@/utils/get-page-title";

NProgress.configure({ showSpinner: false }); // NProgress Configuration

const whiteList = ["/login", "/auth-redirect", "/applylicense"]; // no redirect whitelist

router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start();

  // set page title
  document.title = getPageTitle(to.meta.title);

  // determine whether the user has logged in
  const hasToken = getToken();

  if (hasToken) {
    if (to.path === "/login") {
      // if is logged in, redirect to the home page
      next({ path: "/" });
      NProgress.done();
    } else {
      await store.dispatch("permission/generateRoutes");
      // hack method to ensure that addRoutes is complete
      // set the replace: true, so the navigation will not leave a history record
      if (store.getters.roles.length === 0) {
        // 判断当前用户是否已拉取完user_info信息
        store
          .dispatch("user/GetInfo")
          .then(() => {
            next();
          })
          .catch((err) => {
            console.log("发生异常");
            store.dispatch("LogOut").then(() => {
              Message.error(err);
              next({ path: "/login" });
            });
          });
      } else {
        next();
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next();
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`);
      NProgress.done();
    }
  }
});

router.afterEach(() => {
  // finish progress bar
  NProgress.done();
});
